| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [v-ing] for years | 79 |
|
| 2 | [verb] [be] for many years | 24 |
|
| 3 | [verb] [be] [v-ing] for many | 17 |
|
| 4 | [be] [v-ing] for many years | 14 |
|
